It's Avid, I just took it on my test and got it right.
This is a true statement. The dictionary definition of "synthesizer" is "an electronic musical instrument, typically operated by a keyboard, producing a wide variety of sounds by generating and combining signals of different frequencies."
<span>my guess is d. cable television</span>
It is an example of a persuasive visual, or something that makes people want to do things.
Hope this helps:)